package com.ruoyi.activity.security;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.context.SecurityContextImpl;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.stereotype.Component;

import java.util.Collection;

@Component
public class SecurityUtils {

    @Autowired
    @Qualifier("myUserDetailsService")
    private UserDetailsService userDetailsService;

    public void logInAs(String username) {
        UserDetails user = userDetailsService.loadUserByUsername(String.valueOf(username));
        if (user == null) {
            throw new IllegalStateException("User " + username + " doesn't exist, please provide a valid user");
        }
        //logger.info("> Logged in as: " + username);
        SecurityContextHolder.setContext(
                new SecurityContextImpl(new Authentication() {
                    @Override
                    public Collection<? extends GrantedAuthority> getAuthorities() {
                        return user.getAuthorities();
                    }
                    @Override
                    public Object getCredentials() {
                        return user.getPassword();
                    }
                    @Override
                    public Object getDetails() {
                        return user;
                    }
                    @Override
                    public Object getPrincipal() {
                        return user;
                    }

                    @Override
                    public boolean isAuthenticated() {
                        return true;
                    }

                    @Override
                    public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException {
                    }

                    @Override
                    public String getName() {
                        return user.getUsername();
                    }
                }));
        org.activiti.engine.impl.identity.Authentication.setAuthenticatedUserId(String.valueOf(username));
    }

}
